Knight Optical provides a range of high quality infrared optical windows specifically suited to infrared wavelengths for a host of IR applications. A range of materials are available for use from 2.6µm to 45µm, however some materials such as Calcium Fluoride work efficiently in deep UV
| Name | Type | Diameter (mm) | Length (mm) | Width (mm) | Thickness (mm) | Coating | Drilled | Material | Price | Buy |
| WHS5099 pdf | 50 | 10 | Uncoated | Sapphire (Random Cut) |
US$328.87
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| WHS5055 pdf | 50 | 5 | Uncoated | Sapphire (Random Cut) |
US$218.79
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| WHS5033 pdf | 50 | 3 | Uncoated | Sapphire (Random Cut) |
US$157.35
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| WHS5011 pdf | 50 | 1 | Uncoated | Sapphire (Random Cut) |
US$139.83
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| WHS5000 pdf | 50 | 2 | Uncoated | Sapphire (Random Cut) |
US$147.76
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| WHS4000 pdf | 40 | 2 | Uncoated | Sapphire (Random Cut) |
US$130.38
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| WHS3000 pdf | 30 | 2 | Uncoated | Sapphire (Random Cut) |
US$87.43
|
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| WHS2700 pdf | 27 | 2.5 | Uncoated | Sapphire (Random Cut) |
US$69.92
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| WHS2533 pdf | 25 | 3 | Uncoated | Sapphire (Random Cut) |
US$69.92
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| WHS2500 pdf | 25 | 1 | Uncoated | Sapphire (Random Cut) |
US$61.16
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